| 年份 | 喀麦隆  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | - | 
| 2021 | - | 
| 2020 | - | 
| 2019 | - | 
| 2018 | - | 
| 2017 | 0.0415321 | 
| 2016 | 0.0547069 | 
| 2015 | 0.0446758 | 
| 2014 | 0.0436954 | 
| 2013 | 0.0615594 | 
| 2012 | 0.0957864 | 
| 2011 | 0.107504 | 
| 2010 | 0.0721667 | 
| 2009 | 0.0619603 | 
| 2008 | 0.0441662 | 
| 2007 | 0.0390111 | 
| 2006 | 0.0391151 | 
| 2005 | 0.0149996 | 
| 2004 | 0.0100498 | 
| 2003 | 0.00824393 | 
| 2002 | 0.0209056 | 
| 2001 | 0.0184512 | 
| 2000 | 0.019382 | 
| 1999 | 0.0107622 | 
| 1998 | 0.0154147 | 
| 1997 | 0.0202518 | 
| 1996 | 0.0323695 | 
| 1995 | 0.0102979 | 
| 1994 | - | 
| 1993 | - | 
| 1992 | - | 
| 1991 | 0.000274509 | 
| 1990 | 0.000143136 | 
| 1989 | 0.000182334 | 
| 1988 | 0.000277174 | 
| 1987 | 0.000315123 | 
| 1986 | 0.000230298 | 
| 1985 | 0.000238442 | 
| 1984 | 0.000459769 | 
| 1983 | 0.000702275 | 
| 1982 | 0.000261541 | 
| 1981 | 0.000205225 | 
| 1980 | 0.000346228 | 
| 1979 | 0.000219369 | 
| 1978 | - | 
| 1977 | - | 
| 1976 | - | 
| 1975 | 1.40412E-5 | 
| 1974 | - | 
| 1973 | - | 
| 1972 | - | 
| 1971 | - | 
| 1970 | - | 
| 1969 | - | 
| 1968 | - | 
| 1967 | - | 
| 1966 | - | 
| 1965 | - | 
| 1964 | - | 
| 1963 | - | 
| 1962 | - | 
| 1961 | - | 
| 1960 | - |